Boss Blue >> Cylinders >> Single Acting Aluminium Hollow Cylinders
Model: CHA-Series
- Single Acting - Hollow Centre
- Capacity: 30-60 ton
- Stoke: 50mm - 150mm
- Maximum Working Pressure: 10,000psi / 700 bar
Features
- Up to half the weight of comparable steel cylinders
- Carry handle standard on larger models
- Hard anodised coating reduces wear and corrosion
- Heavy duty spring for faster return
- Internal stop ring allows cylinder to withstand full dead end load
- Rod wiper protects cylinder against contamination
- Chrome plated centre hole for extra protection
Base Plate Mounting Hole Dimensions

Model Series | M (mm) | N (mm) | P (mm) |
---|---|---|---|
CHA20 | 80 | M6 x 1.0 | 10 |
CHA30 | 110 | M6 x 1.0 | 10 |
CHA60 | 160 | M6 x 1.0 | 10 |
Schematic

Specifications
Part No. | Model | Form | Repair Kit | Op Manual |
---|---|---|---|---|
CHA206 | A | BPL1101 | 1BK2080 | BM001 |
CHA302 | A | BPL1102 | 1BK1852 | BM001 |
CHA306 | A | BPL1103 | 1BK1852 | BM001 |
CHA602 | A | BPL1166 | - | BM001 |
CHA604 | A | BPL1104 | 1BK2092 | BM001 |
CHA606 | A | BPL1167 | - | BM001 |
Specifications
Model | Cap Ton | Stroke (mm) | Oil Cap (cc) | Cylinder Effective Area (cm2) | A Retracted Height (mm) | B Extended Height (mm) | C Outside Dia. (mm) | D Bore Dia. (mm) | E (mm) | F (mm) | G (UN) | H (mm) | J (mm) | K (mm) | L Centre Hole (mm) | Weight (kg) | Download Part List |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
CHA302 | 30 | 50 | 275 | 55 | 202 | 252 | 138 | 95 | 11.5 | 70 | 1 7/8"-16 | 35 | 68 | 25 | 34 | 8.4 | A |
CHA306 | 30 | 150 | 825 | 55 | 327 | 477 | 138 | 95 | 11.5 | 70 | 1 7/8"-16 | 35 | 68 | 25 | 34 | 12.8 | A |
CHA602 | 60 | 50 | 447.5 | 89.5 | 250 | 300 | 200 | 125 | 14 | 100 | 2 3/4"-16 | 50 | 89 | 25 | 34 | 23.0 | A |
CHA604 | 60 | 100 | 895 | 89.5 | 300 | 400 | 200 | 125 | 14 | 100 | 2 3/4"-16 | 50 | 89 | 25 | 34 | 26.3 | A |
CHA606 | 60 | 150 | 1342 | 89.5 | 350 | 500 | 200 | 125 | 14 | 100 | 2 3/4"-16 | 50 | 89 | 25 | 34 | 27.0 | A |
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At BOSS we work hard so you can let your BOSS do the hard work.
With over 150 years of collective experience in the hydraulics industry, our team pride ourselves on supplying high-quality products and service, at a good honest price.
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© 2025 Boss Hydraulics. All Rights Reserved.
Brought to you by PT Hydraulics.
ABN: 86 239 922 730
© 2025 Boss Hydraulics. All Rights Reserved.
Brought to you by PT Hydraulics.
ABN: 86 239 922 730